20 search results - page 2 / 4 » Opportunistic Spectrum Multichannel OFDMA |
TCOM
2010
13 years 1 days ago
2010
Fair weights have been implemented to maintain fairness in recent resource allocation schemes. However, designing fair weights for multiservice wireless networks is not trivial bec...
WICON
2008
13 years 6 months ago
2008
We consider the problem of efficient opportunistic spectrum access in cognitive radio networks where there are multiple secondary users trying to share access to multiple channels...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
We consider a multi-channel opportunistic communication system where the states of these channels evolve as independent and statistically identical Markov chains (the Gilbert-Elli...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
—We aim to characterize the maximum link throughput of a multi-channel opportunistic communication system. The states of these channels evolve as independent and identically dist...
IWCMC
2009
ACM
13 years 12 months ago
2009
ACM
In wireless communication systems, adaptive modulation and coding (AMC) is used to improve the downlink (DL) spectral efficiency by exploiting the underlying channel condition. Ho...